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libcamera: controls: Add ControlTypePoint

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Add a control_type<> specialization for libcamera::Point to allow
storing data of that type in a ControlValue instance.

The new control type will be used by controls introduced in the
next patches.

Signed-off-by: Yudhistira Erlandinata <yerlandinata@chromium.org>
Co-developed-by: Becker Hsieh <beckerh@chromium.org>
Co-developed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Yudhistira Erlandinata 2024-09-30 16:02:24 +02:00 • committed by Jacopo Mondi
parent 724bbf7d25
commit 200d535ca8
2 changed files with 12 additions and 0 deletions
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6
include/libcamera/controls.h
View file

@ -35,6 +35,7 @@ enum ControlType {
ControlTypeString,
ControlTypeRectangle,
ControlTypeSize,
ControlTypePoint,
};
namespace details {
@ -97,6 +98,11 @@ struct control_type<Size> {
static constexpr std::size_t size = 0;
};
template<>
struct control_type<Point> {
static constexpr ControlType value = ControlTypePoint;
};
template<typename T, std::size_t N>
struct control_type<Span<T, N>> : public control_type<std::remove_cv_t<T>> {
static constexpr std::size_t size = N;